Injection Molding Data Correlation Using Common Production Identifiers
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Solution Overview
Problem
Existing injection molding machine management systems face challenges in accurately identifying the cause of failures in molded articles due to discrepancies between theoretical and actual time differences between injection molding and post-processing, making it difficult to correlate data and specify failure causes efficiently.
Innovation Solution
An injection molding machine management system that generates a common identifier for each production unit, correlating molding data and post-process data with this identifier, allowing for easier identification of failure causes and improving quality and yield management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If data correlation is attempted using time difference between injection molding and post-processing, then data can be associated between processes, but theoretical time difference and actual time difference often do not coincide making it difficult to specify failure causes
Solution Approach 1:
The patent introduces a common identifier as an intermediary element that mediates the correlation between molding data and post-process data. Instead of relying on time difference as the direct linking mechanism, the common identifier serves as a stable mediator that uniquely associates data from different processes, eliminating the discrepancy between theoretical and actual time differences.
2Loss of information
If manual work is used to correlate data, then failure causes can be specified based on correlated data, but it is unrealistic to quickly correlate the data without mistakes
Solution Approach 1:
The system implements automated self-service data correlation where the control device automatically generates common identifiers and correlates molding data with post-process data without requiring manual intervention. This eliminates human errors in manual correlation while significantly reducing the time required for data association.
Solution Approach 2:
The patent replaces the mechanical manual work of data correlation with an automated control system that uses algorithms to generate and match common identifiers. This substitution of manual mechanical operations with automated computational processes achieves both speed and accuracy in data correlation.
3Ease of operation
If theoretical time difference is used for data correlation, then data can be associated between injection molding and post-processing, but actual time difference often does not coincide making it difficult to specify failure causes
Solution Approach 1:
The common identifier acts as a reliable intermediary that decouples the data association process from the unreliable theoretical time difference. By using this mediator, the system maintains ease of operation through automated correlation while achieving reliability in failure cause specification through accurate data matching.
Data Source
AI summary
There is provided an injection molding machine management system including an injection molding machine configured to mold a molded article with injection molding, a peripheral device configured to perform a post-process of the injection molding, and a control device communicably coupled to the injection molding machine and the peripheral device. The injection molding machine management system includes a generating section configured to generate a common identifier for each of predetermined production units and transmit the common identifier to the peripheral device. Molding data concerning the injection molding and post-process data concerning the post-process are correlated with the common identifier.